Fatal error: Uncaught Error: Call to undefined function XTS\Modules\Out_Of_Stock_Manager\is_woocommerce() in /home/knifeand/public_html/wp-content/themes/woodmart/inc/integrations/woocommerce/modules/out-of-stock-manager/class-main.php:57 Stack trace: #0 /home/knifeand/public_html/wp-includes/class-wp-hook.php(341): XTS\Modules\Out_Of_Stock_Manager\Main->change_main_products_loop_query() #1 /home/knifeand/public_html/wp-includes/plugin.php(256): WP_Hook->apply_filters() #2 /home/knifeand/public_html/wp-includes/class-wp-query.php(3020): apply_filters_ref_array() #3 /home/knifeand/public_html/wp-includes/class-wp-query.php(3958): WP_Query->get_posts() #4 /home/knifeand/public_html/wp-includes/class-wp.php(704): WP_Query->query() #5 /home/knifeand/public_html/wp-includes/class-wp.php(824): WP->query_posts() #6 /home/knifeand/public_html/wp-includes/functions.php(1343): WP->main() #7 /home/knifeand/public_html/wp-blog-header.php(16): wp() #8 /home/knifeand/public_html/index.php(17): require('/home/knifeand/...') #9 {main} thrown in /home/knifeand/public_html/wp-content/themes/woodmart/inc/integrations/woocommerce/modules/out-of-stock-manager/class-main.php on line 57